# Protern Sync vs NicDrop

The clearest difference is in-app purchases: Protern Sync at none against NicDrop's 3. Protern Sync also leads on device support (4 vs 2). NicDrop's advantage is update cadence (every 2 days vs every 4 weeks). On price, ads and iOS requirement there is nothing between them.

Both are free to download. NicDrop sells 3 in-app purchases, starting at $6.99 per month. Protern Sync asks for nothing beyond the download.

Protern Sync ships an update every 4 weeks, NicDrop every 2 days. The most recent releases landed on October 26, 2026 and October 13, 2026 respectively.

## The numbers

| Metric | Protern Sync | NicDrop |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 2 days** |
| Size | 44 MB | 45 MB |
| Requires iOS | **15.0** | 15.1 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [Proskida](https://appshunter.io/developer/1584744490) | [Austin Hunter](https://appshunter.io/developer/1250276025) |

## What reviewers say

### Protern Sync

[App page](https://appshunter.io/ios/app/protern-sync/id1599609399)

**In-app purchases:** none


### NicDrop

[App page](https://appshunter.io/ios/app/nicdrop-quit-smoking-and-vaping/id6813736340)

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $6.99 | per month |
| Pro Yearly | $29.99 | per year |
| Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Protern Sync free?

Protern Sync is free to download, with no in-app purchases.

### Is NicDrop free?

NicDrop is free to download, with in-app purchases available.

### Do Protern Sync or NicDrop have ads?

Neither Protern Sync nor NicDrop shows ads.

### Which is updated more often, Protern Sync or NicDrop?

Protern Sync ships an update every 4 weeks, and NicDrop every 2 days. Most recently, Protern Sync was updated on October 26, 2026 and NicDrop on October 13, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*